PHP Tokens::findBlockEnd方法代碼示例

private function fixFunction(Tokens $tokens, $functionIndex, array $functionParams)
{
$startBraceIndex = $tokens->getNextTokenOfKind($functionIndex, array('('));
$endBraceIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $startBraceIndex);
$commaCounter = 0;
$sawParameter = false;

for ($index = $startBraceIndex + 1; $index < $endBraceIndex; ++$index) {
$token = $tokens[$index];

if (!$token->isWhitespace() && !$token->isComment()) {
$sawParameter = true;
}

if ($token->equals('(')) {
$index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index);
continue;
}

if ($token->equals('[')) {
$index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_SQUARE_BRACE, $index);
continue;
}

if ($token->equals(',')) {
++$commaCounter;
continue;
}
}

$functionParamsQuantity = count($functionParams);
$paramsQuantity = ($sawParameter ? 1 : 0) + $commaCounter;

if ($paramsQuantity === $functionParamsQuantity) {
return;
}

$tokensToInsert = array();
for ($i = $paramsQuantity; $i < $functionParamsQuantity; ++$i) {

 if (!$functionParams[$i]) {
return;
}

$tokensToInsert[] = new Token(',');
$tokensToInsert[] = new Token(array(T_WHITESPACE, ' '));

if (!is_array($functionParams[$i])) {
$tokensToInsert[] = clone $functionParams[$i];
continue;
}

foreach ($functionParams[$i] as $param) {
$tokensToInsert[] = clone $param;
}
}

$beforeEndBraceIndex = $tokens->getPrevNonWhitespace($endBraceIndex, array());
$tokens->insertAt($beforeEndBraceIndex + 1, $tokensToInsert);
}

private function fixArray(Tokens $tokens, $index)
{
if (!$tokens->isArrayMultiLine($index)) {
return;
}

$startIndex = $index;

if ($tokens[$startIndex]->isGivenKind(T_ARRAY)) {
$startIndex = $tokens->getNextTokenOfKind($startIndex, array('('));
$endIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $startIndex);
} else {
$endIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_SQUARE_BRACE, $startIndex);
}

$beforeEndIndex = $tokens->getPrevMeaningfulToken($endIndex);
$beforeEndToken = $tokens[$beforeEndIndex];


 if ($startIndex !== $beforeEndIndex && !$beforeEndToken->equalsAny(array(',', array(T_END_HEREDOC)))) {
$tokens->insertAt($beforeEndIndex + 1, new Token(','));

$endToken = $tokens[$endIndex];

if (!$endToken->isComment() && !$endToken->isWhitespace()) {
$tokens->ensureWhitespaceAtIndex($endIndex, 1, ' ');
}
}
}

 /**
  * Inject into the text placeholders of candidates of vertical alignment.
  *
  * @param Tokens $tokens
  */
 private function injectAlignmentPlaceholders(Tokens $tokens)
 {
     $deepestLevel = 0;
     $limit = $tokens->count();
     for ($index = 0; $index < $limit; ++$index) {
         $token = $tokens[$index];
         if ($token->equals('=')) {
             $token->setContent(sprintf(self::ALIGNABLE_PLACEHOLDER, $deepestLevel) . $token->getContent());
             continue;
         }
         if ($token->isGivenKind(T_FUNCTION)) {
             ++$deepestLevel;
             continue;
         }
         if ($token->equals('(')) {
             $index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index);
             continue;
         }
         if ($token->equals('[')) {
             $index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_INDEX_SQUARE_BRACE, $index);
             continue;
         }
         if ($token->isGivenKind(CT_ARRAY_SQUARE_BRACE_OPEN)) {
             $index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_ARRAY_SQUARE_BRACE, $index);
             continue;
         }
     }
     $this->deepestLevel = $deepestLevel;
 }

 /**
  * Method to move index over the non-array elements like function calls or function declarations.
  *
  * @param int    $index
  * @param Tokens $tokens
  *
  * @return int New index
  */
 private function skipNonArrayElements($index, Tokens $tokens)
 {
     if ($tokens[$index]->equals('}')) {
         return $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $index, false);
     }
     if ($tokens[$index]->equals(')')) {
         $startIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index, false);
         $startIndex = $tokens->getPrevMeaningfulToken($startIndex);
         if (!$tokens->isArray($startIndex)) {
             return $startIndex;
         }
     }
     return $index;
 }

 /**
  * {@inheritdoc}
  */
 public function fix(\SplFileInfo $file, Tokens $tokens)
 {
     for ($index = $tokens->count() - 1; $index >= 0; --$index) {
         $token = $tokens[$index];
         if (!$token->isGivenKind(T_FUNCTION)) {
             continue;
         }
         $startParenthesisIndex = $tokens->getNextTokenOfKind($index, array('('));
         $endParenthesisIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $startParenthesisIndex);
         for ($iter = $endParenthesisIndex - 1; $iter > $startParenthesisIndex; --$iter) {
             if (!$tokens[$iter]->isGivenKind(T_VARIABLE)) {
                 continue;
             }
             // skip ... before $variable for variadic parameter
             if (defined('T_ELLIPSIS')) {
                 $prevNonWhitespaceIndex = $tokens->getPrevNonWhitespace($iter);
                 if ($tokens[$prevNonWhitespaceIndex]->isGivenKind(T_ELLIPSIS)) {
                     $iter = $prevNonWhitespaceIndex;
                 }
             }
             // skip & before $variable for parameter passed by reference
             $prevNonWhitespaceIndex = $tokens->getPrevNonWhitespace($iter);
             if ($tokens[$prevNonWhitespaceIndex]->equals('&')) {
                 $iter = $prevNonWhitespaceIndex;
             }
             if (!$tokens[$iter - 1]->equalsAny(array(array(T_WHITESPACE), array(T_COMMENT), array(T_DOC_COMMENT), '(', ','))) {
                 $tokens->insertAt($iter, new Token(array(T_WHITESPACE, ' ')));
             }
         }
     }
 }

 /**
  * {@inheritdoc}
  */
 public function fix(\SplFileInfo $file, Tokens $tokens)
 {
     foreach ($tokens as $index => $token) {
         if (!$token->isGivenKind(T_ECHO)) {
             continue;
         }
         $nextTokenIndex = $tokens->getNextMeaningfulToken($index);
         $endTokenIndex = $tokens->getNextTokenOfKind($index, array(';', array(T_CLOSE_TAG)));
         $canBeConverted = true;
         for ($i = $nextTokenIndex; $i < $endTokenIndex; ++$i) {
             if ($tokens[$i]->equalsAny(array('(', array(CT_ARRAY_SQUARE_BRACE_OPEN)))) {
                 $blockType = $tokens->detectBlockType($tokens[$i]);
                 $i = $tokens->findBlockEnd($blockType['type'], $i);
             }
             if ($tokens[$i]->equals(',')) {
                 $canBeConverted = false;
                 break;
             }
         }
         if (false === $canBeConverted) {
             continue;
         }
         $tokens->overrideAt($index, array(T_PRINT, 'print'));
     }
 }

 /**
  * {@inheritdoc}
  */
 public function fix(\SplFileInfo $file, Tokens $tokens)
 {
     $functionyTokens = $this->getFunctionyTokenKinds();
     $languageConstructionTokens = $this->getLanguageConstructionTokenKinds();
     foreach ($tokens as $index => $token) {
         // looking for start brace
         if (!$token->equals('(')) {
             continue;
         }
         // last non-whitespace token
         $lastTokenIndex = $tokens->getPrevNonWhitespace($index);
         if (null === $lastTokenIndex) {
             continue;
         }
         // check for ternary operator
         $endParenthesisIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index);
         $nextNonWhiteSpace = $tokens->getNextMeaningfulToken($endParenthesisIndex);
         if (!empty($nextNonWhiteSpace) && $tokens[$nextNonWhiteSpace]->equals('?') && $tokens[$lastTokenIndex]->isGivenKind($languageConstructionTokens)) {
             continue;
         }
         // check if it is a function call
         if ($tokens[$lastTokenIndex]->isGivenKind($functionyTokens)) {
             $this->fixFunctionCall($tokens, $index);
         }
     }
 }

 /**
  * Replace occurrences of the name of the classy element by "self" (if possible).
  *
  * @param Tokens $tokens
  * @param string $name
  * @param int    $startIndex
  * @param int    $endIndex
  */
 private function replaceNameOccurrences(Tokens $tokens, $name, $startIndex, $endIndex)
 {
     $tokensAnalyzer = new TokensAnalyzer($tokens);
     for ($i = $startIndex; $i < $endIndex; ++$i) {
         $token = $tokens[$i];
         // skip lambda functions (PHP < 5.4 compatibility)
         if ($token->isGivenKind(T_FUNCTION) && $tokensAnalyzer->isLambda($i)) {
             $i = $tokens->getNextTokenOfKind($i, array('{'));
             $i = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $i);
             continue;
         }
         if (!$token->equals(array(T_STRING, $name), false)) {
             continue;
         }
         $prevToken = $tokens[$tokens->getPrevMeaningfulToken($i)];
         $nextToken = $tokens[$tokens->getNextMeaningfulToken($i)];
         // skip tokens that are part of a fully qualified name
         if ($prevToken->isGivenKind(T_NS_SEPARATOR) || $nextToken->isGivenKind(T_NS_SEPARATOR)) {
             continue;
         }
         if ($prevToken->isGivenKind(array(T_INSTANCEOF, T_NEW)) || $nextToken->isGivenKind(T_PAAMAYIM_NEKUDOTAYIM)) {
             $token->setContent('self');
         }
     }
 }

 /**
  * {@inheritdoc}
  */
 public function process(Tokens $tokens, Token $token, $index)
 {
     $prevTokenIndex = $tokens->getPrevMeaningfulToken($index);
     $prevToken = $prevTokenIndex === null ? null : $tokens[$prevTokenIndex];
     // Skip whole class braces content.
     // That way we can skip whole tokens in class declaration, therefore skip `T_USE` for traits.
     if ($token->isClassy() && !$prevToken->isGivenKind(T_DOUBLE_COLON)) {
         $index = $tokens->getNextTokenOfKind($index, array('{'));
         $innerLimit = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $index);
         while ($index < $innerLimit) {
             $token = $tokens[++$index];
             if (!$token->isGivenKind(T_USE)) {
                 continue;
             }
             if ($this->isUseForLambda($tokens, $index)) {
                 $token->override(array(CT_USE_LAMBDA, $token->getContent()));
             } else {
                 $token->override(array(CT_USE_TRAIT, $token->getContent()));
             }
         }
         return;
     }
     if ($token->isGivenKind(T_USE) && $this->isUseForLambda($tokens, $index)) {
         $token->override(array(CT_USE_LAMBDA, $token->getContent()));
     }
 }

 /**
  * {@inheritdoc}
  */
 public function fix(\SplFileInfo $file, Tokens $tokens)
 {
     // Checks if specific statements are set and uses them in this case.
     $loops = array_intersect_key(self::$loops, array_flip($this->controlStatements));
     foreach ($tokens as $index => $token) {
         if (!$token->equals('(')) {
             continue;
         }
         $blockStartIndex = $index;
         $index = $tokens->getPrevMeaningfulToken($index);
         $token = $tokens[$index];
         foreach ($loops as $loop) {
             if (!$token->isGivenKind($loop['lookupTokens'])) {
                 continue;
             }
             $blockEndIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $blockStartIndex);
             $blockEndNextIndex = $tokens->getNextMeaningfulToken($blockEndIndex);
             if (!$tokens[$blockEndNextIndex]->equalsAny($loop['neededSuccessors'])) {
                 continue;
             }
             if ($tokens[$blockStartIndex - 1]->isWhitespace() || $tokens[$blockStartIndex - 1]->isComment()) {
                 $this->clearParenthesis($tokens, $blockStartIndex);
             } else {
                 // Adds a space to prevent broken code like `return2`.
                 $tokens->overrideAt($blockStartIndex, array(T_WHITESPACE, ' '));
             }
             $this->clearParenthesis($tokens, $blockEndIndex);
         }
     }
 }

 /**
  * Inject into the text placeholders of candidates of vertical alignment.
  *
  * @param Tokens $tokens
  * @param int    $startAt
  * @param int    $endAt
  *
  * @return array($code, $context_counter)
  */
 private function injectAlignmentPlaceholders(Tokens $tokens, $startAt, $endAt)
 {
     for ($index = $startAt; $index < $endAt; ++$index) {
         $token = $tokens[$index];
         if ($token->isGivenKind(array(T_FOREACH, T_FOR, T_WHILE, T_IF, T_SWITCH))) {
             $index = $tokens->getNextMeaningfulToken($index);
             $index = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $index);
             continue;
         }
         if ($token->isGivenKind(T_ARRAY)) {
             // don't use "$tokens->isArray()" here, short arrays are handled in the next case
             $from = $tokens->getNextMeaningfulToken($index);
             $until = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $from);
             $index = $until;
             ++$this->deepestLevel;
             ++$this->currentLevel;
             $this->injectAlignmentPlaceholders($tokens, $from, $until);
             --$this->currentLevel;
             continue;
         }
         if ($token->isGivenKind(CT_ARRAY_SQUARE_BRACE_OPEN)) {
             $prevToken = $tokens[$tokens->getPrevMeaningfulToken($index)];
             if ($prevToken->isGivenKind(array(T_STRING, T_VARIABLE))) {
                 continue;
             }
             $from = $index;
             $until = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_ARRAY_SQUARE_BRACE, $from);
             $index = $until;
             ++$this->deepestLevel;
             ++$this->currentLevel;
             $this->injectAlignmentPlaceholders($tokens, $from + 1, $until - 1);
             --$this->currentLevel;
             continue;
         }
         if ($token->isGivenKind(T_DOUBLE_ARROW)) {
             $tokenContent = sprintf(self::ALIGNABLE_PLACEHOLDER, $this->currentLevel) . $token->getContent();
             $nextToken = $tokens[$index + 1];
             if (!$nextToken->isWhitespace()) {
                 $tokenContent .= ' ';
             } elseif ($nextToken->isWhitespace(" \t")) {
                 $nextToken->setContent(' ');
             }
             $token->setContent($tokenContent);
             continue;
         }
         if ($token->equals(';')) {
             ++$this->deepestLevel;
             ++$this->currentLevel;
             continue;
         }
         if ($token->equals(',')) {
             for ($i = $index; $i < $endAt - 1; ++$i) {
                 if ($tokens[$i + 1]->isGivenKind(array(T_ARRAY, CT_ARRAY_SQUARE_BRACE_OPEN)) || false !== strpos($tokens[$i - 1]->getContent(), "\n")) {
                     break;
                 }
                 ++$index;
             }
         }
     }
 }

 /**
  * {@inheritdoc}
  */
 public function fix(\SplFileInfo $file, Tokens $tokens)
 {
     for ($index = $tokens->count() - 1; $index >= 0; --$index) {
         $token = $tokens[$index];
         if (!$token->isGivenKind(T_NEW)) {
             continue;
         }
         $nextIndex = $tokens->getNextTokenOfKind($index, array(':', ';', ',', '(', ')', '[', ']', array(CT_ARRAY_SQUARE_BRACE_OPEN), array(CT_ARRAY_SQUARE_BRACE_CLOSE), array(CT_BRACE_CLASS_INSTANTIATION_OPEN), array(CT_BRACE_CLASS_INSTANTIATION_CLOSE)));
         $nextToken = $tokens[$nextIndex];
         // entrance into array index syntax - need to look for exit
         while ($nextToken->equals('[')) {
             $nextIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_INDEX_SQUARE_BRACE, $nextIndex) + 1;
             $nextToken = $tokens[$nextIndex];
         }
         // new statement has a gap in it - advance to the next token
         if ($nextToken->isGivenKind(T_WHITESPACE)) {
             $nextIndex = $tokens->getNextNonWhitespace($nextIndex);
             $nextToken = $tokens[$nextIndex];
         }
         // new statement with () - nothing to do
         if ($nextToken->equals('(')) {
             continue;
         }
         $meaningBeforeNextIndex = $tokens->getPrevNonWhitespace($nextIndex);
         $tokens->insertAt($meaningBeforeNextIndex + 1, array(new Token('('), new Token(')')));
     }
 }

 /**
  * @param Tokens|Token[] $tokens
  *
  * @return void
  */
 protected function fixContent(Tokens $tokens)
 {
     $wrongTokens = [T_FUNCTION, T_OBJECT_OPERATOR, T_NEW];
     foreach ($tokens as $index => $token) {
         $tokenContent = strtolower($token->getContent());
         if (empty($tokenContent) || !isset(self::$matching[$tokenContent])) {
             continue;
         }
         $prevIndex = $tokens->getPrevNonWhitespace($index);
         if (in_array($tokens[$prevIndex]->getId(), $wrongTokens, true)) {
             continue;
         }
         $openingBrace = $tokens->getNextMeaningfulToken($index);
         if ($tokens[$openingBrace]->getContent() !== '(') {
             continue;
         }
         $closingBrace = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $openingBrace);
         // Skip for non-trivial cases
         for ($i = $openingBrace + 1; $i < $closingBrace; ++$i) {
             if ($tokens[$i]->equals(',')) {
                 continue 2;
             }
         }
         $cast = '(' . self::$matching[$tokenContent] . ')';
         $tokens[$index]->setContent($cast);
         $tokens[$openingBrace]->setContent('');
         $tokens[$closingBrace]->setContent('');
     }
 }

public function process(Tokens $tokens)
{
foreach ($tokens as $index => $token) {
if (!$token->equals('$')) {
continue;
}

$openIndex = $tokens->getNextMeaningfulToken($index);

if (null === $openIndex) {
continue;
}

$openToken = $tokens[$openIndex];

if (!$openToken->equals('{')) {
continue;
}

$closeIndex = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_CURLY_BRACE, $openIndex);
$closeToken = $tokens[$closeIndex];

$openToken->override(array(CT_DYNAMIC_VAR_BRACE_OPEN, '{', $openToken->getLine()));
$closeToken->override(array(CT_DYNAMIC_VAR_BRACE_CLOSE, '}', $closeToken->getLine()));
}
}

 private function findStart(Tokens $tokens, $index)
 {
     do {
         $index = $tokens->getPrevMeaningfulToken($index);
         $token = $tokens[$index];
         $blockType = $tokens->detectBlockType($token);
         if (null !== $blockType && !$blockType['isStart']) {
             $index = $tokens->findBlockEnd($blockType['type'], $index, false);
             $token = $tokens[$index];
         }
     } while (!$token->equalsAny(array('$', array(T_VARIABLE))));
     $prevIndex = $tokens->getPrevMeaningfulToken($index);
     $prevToken = $tokens[$prevIndex];
     if ($prevToken->equals('$')) {
         $index = $prevIndex;
         $prevIndex = $tokens->getPrevMeaningfulToken($index);
         $prevToken = $tokens[$prevIndex];
     }
     if ($prevToken->isGivenKind(T_OBJECT_OPERATOR)) {
         return $this->findStart($tokens, $prevIndex);
     }
     if ($prevToken->isGivenKind(T_PAAMAYIM_NEKUDOTAYIM)) {
         $prevPrevIndex = $tokens->getPrevMeaningfulToken($prevIndex);
         if (!$tokens[$prevPrevIndex]->isGivenKind(T_STRING)) {
             return $this->findStart($tokens, $prevIndex);
         }
         $index = $tokens->getTokenNotOfKindSibling($prevIndex, -1, array(array(T_NS_SEPARATOR), array(T_STRING)));
         $index = $tokens->getNextMeaningfulToken($index);
     }
     return $index;
 }